Home / 147,942.87-221,892.44-54,426.75

Finding the Fourth Proportional to 147,942.87, 221,892.44 and 54,426.75

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Solution

The fourth proportional to 147,942.87, 221,892.44 and 54,426.75 is: 81,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,942.87 : 221,892.44 = 54,426.75 : x
  2. Step 2: Convert to fraction form
    147,942.87/221,892.44 = 54,426.75/x
  3. Step 3: Cross multiply
    147,942.87x = 221,892.44 × 54,426.75
  4. Step 4: Simplify right side
    147,942.87x = 12,076,884,086.64
  5. Step 5: Solve for x
    x = 12,076,884,086.64/147,942.87
  6. Step 6: Final answer
    x = 81,632.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.